No problem, we've got 42815423 and 69686389 to multiply
42815423 × 69686389 = 69686389 × (42815423)
+ 69686389 × 3 that is equal 209059167
+ 69686389 × 20 producing 1393727780
+ 69686389 × 400 resulting in 27874555600
+ 69686389 × 5000 giving us 348431945000
+ 69686389 × 10000 that equals 696863890000
+ 69686389 × 800000 which equals 55749111200000
+ 69686389 × 2000000 that results in 139372778000000
+ 69686389 × 40000000 that results in 2787455560000000

= 2983652222377547
